QFJ-882: FIX50.xml / LegSecAltIDGrp incorrect

 - corrected FIX50.xml

Author: chrjohn

quickfixj-messages/quickfixj-messages-fix50/src/main/resources/FIX50.xml

@@ -4137,6 +4137,8 @@
     </component>
     <component name="LegSecAltIDGrp">
       <field name="NoLegSecurityAltID" required="N"/>
+      <field name="LegSecurityAltID" required="N"/>
+      <field name="LegSecurityAltIDSource" required="N"/>
     </component>
     <component name="UndSecAltIDGrp">
       <group name="NoUnderlyingSecurityAltID" required="N">